Computer Fundamental Miscellaneous - Study Mode

[#206] Which device can not be shared in network?
Correct Answer

(B) Keyboard

Explanation

Solution: A keyboard is a peripheral device that allows a user to input text and commands into a computer. Unlike a projector, scanner, or printer, a keyboard is typically directly connected to a single computer and cannot be shared over a network. Projectors, scanners, and printers can be configured to be shared across a network, allowing multiple users to access them.

[#207] The bar code which is used on all types of items, is read by a scanning device directly into the computer. What is the name of this scanning device?
Correct Answer

(A) Laser scanner

Explanation

Solution: Laser scanners work the same way as pen-type readers except that they use a laser beam as the light source and typically employ either a reciprocating mirror or a rotating prism to scan the laser beam back and forth across the barcode.

[#208] An essential difference between the operating system that runs a typical desktop computer and the operating system that runs a typical PDA is that .......
Correct Answer

(B) the desktop OS can run several programs simultaneously whereas the PDA OS cannot.

Explanation

Solution: An essential difference between the operating system that runs a typical desktop computer and the operating system that runs a typical PDA is that the desktop OS can run several programs simultaneously whereas the PDA OS cannot.

[#209] A set of information that defines the status of resources allocated to a process is...
Correct Answer

(D) Process description

Explanation

Solution: A set of information that defines the status of resources allocated to a process of process description. A process description is a set of information that describes the characteristics of a process in terms that will enable its effective installation, commissioning, operation, control and maintenance.

[#210] A family of polynomial block codes designed to correct burst errors is known as
Correct Answer

(C) Fire Codes
(G) Fire codes

Explanation

Solution: Fire Code, advances fire and life safety for the public and first responders as well as property protection by providing a comprehensive, integrated approach to fire code regulation and hazard management.